#381503

Closest named color: Dark Brown (#341C02). oklch(24.6% 0.063 46.3), rgb(56, 21, 3).

Aa

White text reads best on this color (16.44:1).

About this color

#381503 is a very dark, muted brown. In OKLCH its lightness is 25%, its chroma 0.063 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.022 away. White text reads best on it, at 16.44:1.

Hue familyBrowns
Lightnessvery dark (25%)
Chromamuted (0.063)
Temperaturewarm
Nearest nameDark Brown (#341C02)
Black text1.27:1
White text16.44:1

Values

HEX#381503
RGBrgb(56, 21, 3)
HSLhsl(20, 90%, 12%)
OKLCHoklch(24.6% 0.063 46.3)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #381503 16.44:1 AAA Lc -105.6 Preferred for body text
Black text on #381503 1.27:1 Fails Lc 0.0 Not readable
#381503 text on white 16.44:1 AAA Lc 103.1 Preferred for body text
#381503 text on black 1.27:1 Fails Lc 0.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.

  1. Step 50

    50

    #FCF4F0

    oklch(97.2% 0.01 48.6)

  2. Step 100

    100

    #F7E6DE

    oklch(93.6% 0.022 47)

  3. Step 200

    200

    #F1D1C3

    oklch(88.4% 0.041 45)

  4. Step 300

    300

    #EAB298

    oklch(80.8% 0.075 46)

  5. Step 400

    400

    #DD885E

    oklch(70.7% 0.119 46.5)

  6. Step 500

    500

    #D2672C

    oklch(63.2% 0.152 46.3)

  7. Step 600

    600

    #B94E00

    oklch(55.5% 0.156 46.2)

  8. Step 700

    700

    #9D4100

    oklch(49.2% 0.138 46.2)

  9. Step 800

    800

    #813400

    oklch(42.6% 0.119 46.2)

  10. Step 900

    900

    #6A2D07

    oklch(37.7% 0.099 46.7)

  11. Step 950

    950 (this color)

    #381503

    oklch(24.6% 0.063 46.3)

Export this scale for Tailwind in the Tailwind colors tool

#381503 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#1F1A010.058
Deuteranopia (no green cones)#2822020.051
Tritanopia (no blue cones)#3E0D110.034
Achromatopsia (no color)#1F1F1F0.063

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #381503

    #381503

    oklch(24.6% 0.063 46.3)

  • #002532

    #002532

    oklch(24.6% 0.047 226.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #381503

    #381503

    oklch(24.6% 0.063 46.3)

  • #391216

    #391216

    oklch(24.6% 0.062 16.7)

  • #2E1D00

    #2E1D00

    oklch(24.6% 0.051 77.8)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #381503

    #381503

    oklch(24.6% 0.063 46.3)

  • #002727

    #002727

    oklch(24.7% 0.042 194.8)

  • #0A213E

    #0A213E

    oklch(24.7% 0.062 255.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #381503

    #381503

    oklch(24.6% 0.063 46.3)

  • #00281B

    #00281B

    oklch(24.6% 0.051 166.3)

  • #1F1B3D

    #1F1B3D

    oklch(24.7% 0.063 286.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #381503

    #381503

    oklch(24.6% 0.063 46.3)

  • #112706

    #112706

    oklch(24.6% 0.062 136.7)

  • #002532

    #002532

    oklch(24.6% 0.047 226.4)

  • #2C1634

    #2C1634

    oklch(24.6% 0.062 316.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #381503, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #381503 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.